Home / 832,153,986.40-1,245,842,192.40-808,266,114.40

Finding the Fourth Proportional to 832,153,986.40, 1,245,842,192.40 and 808,266,114.40

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Solution

The fourth proportional to 832,153,986.40, 1,245,842,192.40 and 808,266,114.40 is: 1,210,078,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,153,986.40 : 1,245,842,192.40 = 808,266,114.40 : x
  2. Step 2: Convert to fraction form
    832,153,986.40/1,245,842,192.40 = 808,266,114.40/x
  3. Step 3: Cross multiply
    832,153,986.40x = 1,245,842,192.40 × 808,266,114.40
  4. Step 4: Simplify right side
    832,153,986.40x = 1,006,972,028,006,725,248
  5. Step 5: Solve for x
    x = 1,006,972,028,006,725,248/832,153,986.40
  6. Step 6: Final answer
    x = 1,210,078,957.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.